Transporting Link

Find a ladder, climbable wall etc. Make sure Link is not holding a weapon/item in his hand(s). Climb up it a little(to load the climbing animation) then drop off and get back a little way.Run/swim towards it.Just before Link reaches the ladder/wall and begins to climb it do the CC trick Keep the cartridge pulled out for a couple of seconds and keep holding forward on the analog stick as well.Still holding the analog stick forward push the cartridge back in.Link should teleport to somewhere nearby, often this will take Link through a nearby wall, roof etc.
Things to do:
Go to the Gerudo Training center and go through the middle main door, climb to the top of the fence in front of you and do this. You'll be taken through the fence and into the area with the Ice arrow allowing you to get it without completing all the puzzles etc.Do this on the ladder to the left as you enter Zora's Domain, this will take you through the wall to the right and you'll be standing on ice hidden behind the wall(as an adult).On Death Mountain trail there is a small cave on the side of the path near the exit/entrance to Kakariko village. The back wall of the 'cave' can be climbed, do it here to make Link fall through the mountain.In the Shadow Temple there is a room with a rotating statue of two deaths with scythes, in this room there is a small alcove with a fake floor which goes down to the area where the boat is. If you haven't yet finished the temple you won't be able to get to the boat from here because of a moveable block. So do the trick on the wall that you can climb to get back up and if you're lucky you'll be teleported to the other side of the wall, hop on to the boat and complete the rest of the temple from here on in, you can get up to and kill the boss and you'll have skipped about half of the temple's rooms.In the Great Deku Tree, as you enter, there is a ladder to your left, do it on this ladder and you'll fall through the wall and land in the semi loaded area below.